The X-Men TV series continues to fill out its cast – this time with a brand new mutant.

Sean Teale – who played party animal Nick Levan in Skins and Prince Condé in Reign – has signed on to Fox's pilot to play a mutant specially created for the series, according to Deadline.

His character Marcos Diaz (aka Eclipse) is described by the publication as "a natural rebel compelled by circumstances to cooperate with others" – qualities that make dangerous when he unleashes his ability to absorb and manipulate energy.

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Teale joins a cast that also includes True Blood's Stephen Moyer, who will play the father of two young mutants forced to go on the run to protect his family.

Showrunner Matt Nix recently said: "Suffice it to say it's a show that contains some characters that fans will be excited about. I can't talk about specifics, but it's not like there are no X-Men in it."

"It's a story that definitely comes at the world of mutants from the side," Nix added. "One of the things that's come out [publicly] is the idea of a family that discovers their kids are mutants and has to go on the run.

"The movies and the comics have generally started with the X-Men and encountered the world outside from the perspective of the X-Men.

"This show flips that on its head, in the sense that it doesn't exclusively take place inside the world of people who are already X-Men and know that world."

Fox should announce this spring if the X-Men series will be picked up for the autumn. Hopefully the network will reveal a title soon too!